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Paced Auditory Serial Addition Test
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<p>Paced Auditory Serial Addition Test (PASAT) is a <a href="/facts/Neuropsychological_test/krsJu7Uo">neuropsychological test</a> used to assess capacity and rate of information processing and sustained and divided attention. </p><p>Originally the test was known as the Paced Auditory Serial Addition Task (PASAT). The subjects are given in the version used as part of the Multiple Sclerosis Functional Composite a number every 3 seconds and are asked to add the number they just heard with the number they heard before. This is a challenging task that involves <a href="/facts/Working_memory/kzeDD3KQ">working memory</a>, attention and arithmetic capabilities. Versions with numbers presented every 2 seconds are also available. The original version presented the numbers every 2.4 seconds with 0.4 decrements for subsequent trials. The PASAT was originally developed for use in evaluating patients with <a href="/facts/Head_injury/KvqnqIbG">head injury</a>. The advantage in this population was supposed to be minimal practice effects. This test has been widely used in other conditions besides <a href="/facts/Traumatic_brain_injury/DTq110vw">traumatic brain injury</a>. </p>